xcodebuildmcp-runtime-boundary-review
This skill examines the runtime boundary enforcement and guardrail mechanisms within XcodeBuildMCP, Sentry's Model Context Protocol server for iOS and macOS development. It focuses on validating how the tool isolates agent operations, manages resource access, and prevents unintended cross-boundary execution during build workflows. Use it to verify security posture and operational safety in agent-driven Xcode environments.
xcodebuildmcp-runtime-boundary-review examines the runtime boundary enforcement and guardrail mechanisms within XcodeBuildMCP, Sentry's Model Context Protocol server for iOS and macOS development. It focuses on validating how the tool isolates agent operations, manages resource access, and prevents unintended cross-boundary execution during build workflows.
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Install
getsentry/XcodeBuildMCP/xcodebuildmcp-runtime-boundary-review · repository language: TypeScript
git clone https://github.com/getsentry/XcodeBuildMCP
cp -r XcodeBuildMCP/.agents/skills/xcodebuildmcp-runtime-boundary-review ~/.claude/skills/xcodebuildmcp-runtime-boundary-reviewFrequently asked questions
AI-generated answers based on this skill's SKILL.md and metadata
What does xcodebuildmcp-runtime-boundary-review examine?
xcodebuildmcp-runtime-boundary-review examines the runtime boundary enforcement and guardrail mechanisms within XcodeBuildMCP, Sentry's Model Context Protocol server for iOS and macOS development. It focuses on validating how the tool isolates agent operations, manages resource access, and prevents unintended cross-boundary execution during build workflows.
How does xcodebuildmcp-runtime-boundary-review validate MCP, CLI, and daemon invocation paths?
xcodebuildmcp-runtime-boundary-review validates the distinct invocation paths by inspecting how MCP protocol calls, direct CLI commands, and daemon-mediated requests route through XcodeBuildMCP's execution layer. It verifies that each pathway enforces consistent guardrails and prevents privilege escalation or unauthorized tool access across routing modes.
What is the xcodebuild MCP runtime boundary review's approach to tool catalog visibility?
xcodebuildmcp-runtime-boundary-review inspects the tool catalog and manifest visibility architecture to ensure that tool availability is correctly filtered based on invocation context—whether tools are exposed via MCP, CLI, daemon, or IDE bridge. It validates that manifest filtering logic prevents leakage of restricted tools across boundary contexts.
How does xcodebuildmcp handle stateful tool routing and Xcode IDE bridge semantics?
xcodebuildmcp-runtime-boundary-review checks stateful tool routing by examining how XcodeBuildMCP maintains execution state across MCP sessions and validates the Xcode IDE bridge semantics to ensure that IDE-initiated tool invocations respect the same boundary constraints as direct CLI or daemon calls. This prevents state-based bypass attacks.
What runtime failure handling does xcodebuildmcp-runtime-boundary-review verify?
xcodebuildmcp-runtime-boundary-review verifies runtime failure handling and catalog filtering logic to ensure that tool invocation failures, permission denials, and out-of-boundary requests are caught and logged consistently. It validates that failure modes do not leak sensitive information or allow fallback execution paths that circumvent guardrails.
Why use xcodebuildmcp-runtime-boundary-review for security validation?
Use xcodebuildmcp-runtime-boundary-review to verify the security posture and operational safety of agent-driven Xcode environments. It confirms that XcodeBuildMCP's runtime boundaries prevent unauthorized cross-boundary execution, enforce resource isolation, and maintain consistent guardrail enforcement across all invocation modes under the MIT license.
SKILL.md
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XcodeBuildMCP Runtime Boundary Review
Review guardrails for runtime routing and invocation boundaries.
Review scope
- Review-only by default.
- Do not edit product code unless the user explicitly requests implementation changes.
Files to inspect
src/runtime/tool-catalog.tssrc/runtime/tool-invoker.tssrc/runtime/types.tssrc/cli/**src/daemon/**manifests/tools/*.yamlmanifests/workflows/*.yamlxcodebuildmcp.com/app/docs/_content/architecture-runtime-boundaries.mdxxcodebuildmcp.com/app/docs/_content/architecture-manifest-visibility.mdx
Guardrails
- MCP, CLI, and daemon paths use shared handlers.
- Stateful CLI tools route through daemon only when
routing.statefulrequires it. - Do not treat daemon as a third manifest availability mode.
- Dynamic Xcode IDE tools keep daemon routing semantics.
- Catalog filtering respects availability, workflow selection, and predicates.
- Runtime failures surface via runtime/rendering
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